Base | Representation |
---|---|
bin | 1000100100011… |
… | …01100101111010 |
3 | 12000021001010011 |
4 | 10102031211322 |
5 | 121400230010 |
6 | 11044412134 |
7 | 1531665544 |
oct | 422154572 |
9 | 160231104 |
10 | 71883130 |
11 | 37637950 |
12 | 200a704a |
13 | 11b7a9c7 |
14 | 9792694 |
15 | 649da8a |
hex | 448d97a |
71883130 has 32 divisors (see below), whose sum is σ = 141507648. Its totient is φ = 26073600.
The previous prime is 71883121. The next prime is 71883131. The reversal of 71883130 is 3138817.
It is a junction number, because it is equal to n+sod(n) for n = 71883092 and 71883101.
It is not an unprimeable number, because it can be changed into a prime (71883131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73545 + ... + 74515.
It is an arithmetic number, because the mean of its divisors is an integer number (4422114).
Almost surely, 271883130 is an apocalyptic number.
71883130 is a deficient number, since it is larger than the sum of its proper divisors (69624518).
71883130 is a wasteful number, since it uses less digits than its factorization.
71883130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1662.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 71883130 is about 8478.3919465899. The cubic root of 71883130 is about 415.7915506774.
The spelling of 71883130 in words is "seventy-one million, eight hundred eighty-three thousand, one hundred thirty".
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